$115+ Cheap flights from Appleton to San Diego (ATW - SAN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SAN
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Appleton to San Diego with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Best
Last-minute
One-way
Cheapest flights from Appleton to San DiegoExplore the most affordable flight options available from Appleton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Appleton to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:39 pm
ATW
- SAN
1 stop10h 01m
United Airlines
Sat 3/1410:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/10![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:25 pm
ATW
- SAN
2 stops11h 05m
American Airlines
Tue 3/241:34 pm
SAN
- ATW
1 stop7h 45m
American Airlines
Deal found 2/9![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:20 pm
ATW
- SAN
1 stop6h 20m
Delta
Sat 4/256:25 am
SAN
- ATW
1 stop7h 15m
Delta
Deal found 2/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:00 am
ATW
- SAN
1 stop8h 25m
United Airlines
Sun 5/1010:40 pm
SAN
- ATW
1 stop7h 44m
United Airlines
Deal found 2/9![United Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:25 pm
ATW
- SAN
1 stop11h 09m
American Airlines
Tue 3/106:20 am
SAN
- ATW
1 stop14h 59m
American Airlines
Deal found 2/11![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:22 pm
ATW
- SAN
1 stop6h 31m
Delta
Tue 3/106:15 am
SAN
- ATW
1 stop7h 28m
Delta
Deal found 2/12![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:25 pm
ATW
- SAN
1 stop10h 19m
American Airlines
Tue 4/710:40 pm
SAN
- ATW
1 stop17h 21m
American Airlines
Deal found 2/9![American Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:39 pm
ATW
- SAN
1 stop10h 01m
United Airlines
Sun 3/228:50 pm
SAN
- ATW
2 stops9h 31m
United Airlines
Deal found 2/11![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:25 pm
ATW
- SAN
2 stops11h 05m
American Airlines
Sat 3/710:35 pm
SAN
- ATW
1 stop7h 31m
American Airlines
Deal found 2/10![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/91:30 pm
ATW
- SAN
1 stop12h 03m
American Airlines
Sun 4/1210:40 pm
SAN
- ATW
1 stop9h 20m
American Airlines
Deal found 2/11![American Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:05 pm
ATW
- SAN
1 stop9h 20m
Delta
Wed 10/2112:45 am
SAN
- ATW
1 stop7h 44m
Delta
Deal found 2/11![Delta logo]()
$353
Best flights from Appleton to San DiegoDiscover carefully curated flight deals from Appleton to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Appleton to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:46 pm
ATW
- SAN
1 stop9h 13m
United Airlines
Sun 4/1910:30 pm
SAN
- ATW
1 stop7h 50m
United Airlines
Deal found 2/9![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:12 am
ATW
- SAN
1 stop9h 07m
Delta
Sun 5/36:15 am
SAN
- ATW
1 stop9h 23m
Delta
Deal found 2/11![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:39 pm
ATW
- SAN
1 stop10h 01m
United Airlines
Sat 3/1410:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/10![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/194:20 pm
ATW
- SAN
1 stop6h 20m
Delta
Tue 4/2811:58 am
SAN
- ATW
1 stop7h 21m
Delta
Deal found 2/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/122:39 pm
ATW
- SAN
1 stop10h 01m
United Airlines
Sun 3/1510:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/9![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:18 pm
ATW
- SAN
1 stop6h 48m
Delta
Wed 4/296:15 am
SAN
- ATW
1 stop9h 23m
Delta
Deal found 2/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:30 pm
ATW
- SAN
1 stop7h 29m
United Airlines
Sat 4/2510:30 pm
SAN
- ATW
1 stop7h 50m
United Airlines
Deal found 2/9![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/114:24 pm
ATW
- SAN
1 stop6h 21m
Delta
Wed 4/1511:58 am
SAN
- ATW
1 stop7h 21m
Delta
Deal found 2/9![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:34 pm
ATW
- SAN
1 stop8h 26m
United Airlines
Wed 3/1810:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/12![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:23 pm
ATW
- SAN
1 stop7h 17m
United Airlines
Tue 3/1011:28 am
SAN
- ATW
1 stop7h 26m
United Airlines
Deal found 2/11![United Airlines logo]()
$309
Last-minute flights from Appleton to San DiegoDiscover last-minute flight deals from Appleton to San Diego. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Appleton to San Diego. Data last updated February 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:23 pm
ATW
- SAN
1 stop7h 21m
United Airlines
Wed 3/2510:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/9![United Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:23 pm
ATW
- SAN
1 stop7h 21m
United Airlines
Tue 3/311:30 am
SAN
- ATW
1 stop7h 26m
United Airlines
Deal found 2/12![United Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:22 pm
ATW
- SAN
1 stop6h 31m
Delta
Tue 3/106:15 am
SAN
- ATW
1 stop7h 28m
Delta
Deal found 2/12![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:25 pm
ATW
- SAN
2 stops11h 05m
American Airlines
Sat 3/710:35 pm
SAN
- ATW
1 stop7h 31m
American Airlines
Deal found 2/10![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:27 am
ATW
- SAN
1 stop8h 49m
Delta
Tue 3/106:15 am
SAN
- ATW
1 stop7h 28m
Delta
Deal found 2/12![Delta logo]()
$358
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/31:25 pm
ATW
- SAN
2 stops11h 05m
American Airlines
Tue 3/241:34 pm
SAN
- ATW
1 stop7h 45m
American Airlines
Deal found 2/9![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:39 pm
ATW
- SAN
1 stop10h 01m
United Airlines
Sat 3/1410:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/10![United Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:25 pm
ATW
- SAN
1 stop11h 09m
American Airlines
Tue 3/106:20 am
SAN
- ATW
1 stop14h 59m
American Airlines
Deal found 2/11![American Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/71:25 pm
ATW
- SAN
1 stop11h 09m
American Airlines
Sat 3/1410:35 pm
SAN
- ATW
1 stop8h 52m
American Airlines
Deal found 2/11![American Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:23 pm
ATW
- SAN
1 stop7h 17m
United Airlines
Thu 3/1910:30 pm
SAN
- ATW
1 stop7h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:39 pm
ATW
- SAN
1 stop10h 01m
United Airlines
Sun 3/228:50 pm
SAN
- ATW
2 stops9h 31m
United Airlines
Deal found 2/11![United Airlines logo]()
$336
One-way flights from Appleton to San DiegoSearch for one-way flight options from Appleton to San Diego. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Appleton to San Diego. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:50 pm
ATW
- SAN
1 stop19h 31m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/24:22 pm
ATW
- SAN
1 stop6h 31m
Delta
Deal found 2/9![Delta logo]()
$186
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/275:23 pm
ATW
- SAN
1 stop7h 21m
United Airlines
Deal found 2/10![United Airlines logo]()
$204
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:23 pm
ATW
- SAN
1 stop7h 21m
United Airlines
Deal found 2/9![United Airlines logo]()
$231
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:30 pm
ATW
- SAN
2 stops17h 46m
United Airlines
Deal found 2/9![United Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:23 pm
ATW
- SAN
2 stops17h 17m
United Airlines
Deal found 2/9![United Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:30 am
ATW
- SAN
3 stops43h 38m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$390
Find flight deals from Appleton to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (United Airlines) |
One-way from | $115 (Kiwi.com) |
Popular in | March |
Cheapest in | September |
Average price | $431 |
Cheapflights Fare Finder
Customize your flight search to find flights from Appleton to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Appleton to San Diego that are best for you.
Fly from
Appleton
Fly to
San Diego
Route
Depart
Return
Price
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Fri 4/17
3:46 pm-10:59 pm
1 stop9h 13m
San Diego
Sun 4/19
10:30 pm-8:20 am
1 stop7h 50m
$309
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Sat 3/7
2:39 pm-10:40 pm
1 stop10h 01m
San Diego
Sat 3/14
10:30 pm-8:21 am
1 stop7h 51m
$309
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Thu 3/12
2:39 pm-10:40 pm
1 stop10h 01m
San Diego
Sun 3/15
10:30 pm-8:21 am
1 stop7h 51m
$309
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Wed 4/22
5:30 pm-10:59 pm
1 stop7h 29m
San Diego
Sat 4/25
10:30 pm-8:20 am
1 stop7h 50m
$309
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Wed 3/11
12:34 pm-7:00 pm
1 stop8h 26m
San Diego
Wed 3/18
10:30 pm-8:21 am
1 stop7h 51m
$309
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Sat 3/7
5:23 pm-10:40 pm
1 stop7h 17m
San Diego
Tue 3/10
11:28 am-8:54 pm
1 stop7h 26m
$309
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Thu 4/30
11:12 am-6:19 pm
1 stop9h 07m
San Diego
Sun 5/3
6:15 am-5:38 pm
1 stop9h 23m
$319
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Sun 4/19
4:20 pm-8:40 pm
1 stop6h 20m
San Diego
Tue 4/28
11:58 am-9:19 pm
1 stop7h 21m
$319
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Thu 4/23
6:18 pm-11:06 pm
1 stop6h 48m
San Diego
Wed 4/29
6:15 am-5:38 pm
1 stop9h 23m
$319
AppletonSan Diego
ATW - SAN
ATWSAN
Appleton Intl
Sat 4/11
4:24 pm-8:45 pm
1 stop6h 21m
San Diego
Wed 4/15
11:58 am-9:19 pm
1 stop7h 21m
$319
Showing 1-10 of 18 results
Compare providers for flights from Appleton to San Diego
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to San Diego in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Appleton-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Appleton-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Appleton-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Appleton to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Appleton with our price prediction graph.
ATW-SAN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Appleton to San Diego
How far ahead should I book a flight from Appleton to San Diego?
Use this chart to determine the optimal time to book a round-trip flight from Appleton to San Diego. Price data was last updated on February 6, 2026.
Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Appleton to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Appleton to San Diego?
Currently, June is the cheapest month in which you can book a flight from Appleton to San Diego (average of $165). Flying from Appleton to San Diego in February is currently the most expensive (average of $256). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated February 13, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Appleton to San Diego to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Food
7.2
Overall
7.9
Boarding
8.1
Comfort
7.9
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Appleton to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Appleton and San Diego flights
Browse other Appleton and San Diego flight options. Last updated on February 13, 2026.
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Top 3 airlines flying from Appleton to San Diego
Discover the top 3 airlines that operate flights from Appleton to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$264 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$279 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$448 | FlexibilityNo cancel fee | On-time69% |